Metadata Editor & Metadata Viewer for Email Files

Upload MSG or EML file to edit file’s metadata or view email metadata. Easily view & edit Outlook files metadata.

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Aspose.Email Metadata App is a powerful online metadata editor, when you need to read or edit email’s metadata from any device and anywhere. Use it to view metadata online, view built-in properties or custom properties of the message. Metadata App allows you to edit metadata: add new properties and change them, remove metadata properties. You can download the result file, view it online or instantly send the email with changed metadata.

Metadata App is a free app provided by Aspose.Email.

Please, feel free to check our powerful Cloud SDKs and other easy-to-use online Apps.


Aspose.Email Metadata

  • Upload a message file to get, view and edit metadata online from Outlook, Thunderbird, eM Client, Gmail, Apple Mail, Mailbird and other email clients.
  • Get metadata from emails.
  • View metadata from emails.
  • Edit metadata from emails.
  • Save and download email’s metadata.
  • Send a result metadata as an email.
  • Get a sender, recipient, date or subject from email online.
  • View Outlook sender email address online and other metadata information.
  • Change the subject and other metadata of the message online.
  • Edit metadata in EML, MSG, PST, OST, MBOX

How to edit an Email metadata

  • Open you browser in Aspose Email free application web site and go to Metadata tool.
  • Click inside the file drop area to upload an email file or drag & drop an email file.
  • File will be automatically rendered for you to view & edit metadata instantly.
  • Store your results by pressing in the Save button.
  • Download updated document file with metadata.
  • Open your file in another Email reader and view your properties. All field will be set correctly.
  • You can also send a link to the document file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.
Fast and Easy Metadata

Fast and Easy Metadata

Upload your document, update the Metadata and click on "Save" button. You will get the download link as soon as the file is saved.

Edit Metadata from Anywhere

Edit Metadata from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required by you.

Metadata Quality

Metadata Quality

Powered by Aspose.Email. All files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.


  • ❓ How to edit email’s metadata?
    With Aspose.Email Metadata you can get, view and edit email’s metadata online. First, you need to add a message file: drag & drop your Email file or click inside the white area to choose a file. When Email file is uploaded you can edit it’s metadata properties or add custom fields. After you finish editing the email’s metadata, you can download the result file or view it online.
  • 🗂 Which email formats can I edit with Aspose.Email Metadata?
    Email Metadata editor works with EML, MSG.
  • 🛡️ Is it safe to edit Email’s metadata using free Aspose.Email Metadata?
    Of course! The download link of result files will be available instantly after editing. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. Processing Email’s metadata is absolutely safe.
  • 💻 Can I edit metadata on Linux, Mac OS or Android?
    Yes, you can use free Aspose.Email Metadata on any operating system that has a web browser. Our Email Metadata app works online and does not require any software installation.
  • ✅ Can I use Aspose.Email Metadata in my projects?
    Absolutely! Aspose.Email provides a high-performance API. Using Aspose.Email you can convert, view, edit and process emails in the way you need. You can use one of its SDKs on your platform or use Email Cloud approach, which is safety, fast and reduces the load on your system.

All Metadata editors

You can view or edit metadata from many file formats. Please see the list below.